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Finding the Fourth Proportional to 74,412, 111,523.08 and 34,882.02

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Solution

The fourth proportional to 74,412, 111,523.08 and 34,882.02 is: 52,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,412 : 111,523.08 = 34,882.02 : x
  2. Step 2: Convert to fraction form
    74,412/111,523.08 = 34,882.02/x
  3. Step 3: Cross multiply
    74,412x = 111,523.08 × 34,882.02
  4. Step 4: Simplify right side
    74,412x = 3,890,150,307.02
  5. Step 5: Solve for x
    x = 3,890,150,307.02/74,412
  6. Step 6: Final answer
    x = 52,278.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.